<template>
  <div class="xtx-pay-checkout-page">
    <div class="container">
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem to="/cart">购物车</XtxBreadItem>
        <XtxBreadItem >填写订单</XtxBreadItem>
      </XtxBread>
      <div class="wrapper" v-if="checkoutInfo">
        <!-- 收货地址 -->
        <h3 class="box-title">收货地址</h3>
        <div class="box-body">
          <div class="address">
            <div class="text">
              <div v-if="!curAddress.id" class="none">您需要先添加收货地址才可提交订单。</div>
              <ul v-else>
                <li><span>收<i/>货<i/>人：</span>{{ curAddress.receiver }}</li>
                <li><span>联系方式：</span>{{ hiddenContact(curAddress.contact) }}</li>
                <li><span>收货地址：</span>{{ curAddress.fullLocation + curAddress.address }}</li>
              </ul>
            </div>
            <div class="action">
              <XtxButton @click="showAddressDialog()" class="btn">切换地址</XtxButton>
              <XtxButton @click="addAddressDialog()" class="btn">添加地址</XtxButton>
            </div>
          </div>
        </div>
        <!-- 商品信息 -->
        <h3 class="box-title">商品信息</h3>
        <div class="box-body">
          <table class="goods">
            <thead>
              <tr>
                <th width="520">商品信息</th>
                <th width="170">单价</th>
                <th width="170">数量</th>
                <th width="170">小计</th>
                <th width="170">实付</th>
              </tr>
            </thead>
            <tbody>
              <tr v-for="item in checkoutInfo.goods" :key="item.skuId">
                <td>
                  <RouterLink :to="`/product/${item.id}`" class="info">
                    <img :src="item.picture" alt="">
                    <div class="right">
                      <p>{{ item.name }}</p>
                      <p>{{ item.attrsText }}</p>
                    </div>
                  </RouterLink>
                </td>
                <td>&yen;{{ item.payPrice }}</td>
                <td>{{ item.count }}</td>
                <td>&yen;{{ item.totalPrice }}</td>
                <td>&yen;{{ item.totalPayPrice }}</td>
              </tr>
            </tbody>
          </table>
        </div>
        <!-- 配送时间 -->
        <h3 class="box-title">配送时间</h3>
        <div class="box-body">
          <a @click="reqParams.deliveryTimeType = 1" :class="{ active: reqParams.deliveryTimeType === 1 }" class="my-btn" href="javascript:;">不限送货时间：周一至周日</a>
          <a @click="reqParams.deliveryTimeType = 2" :class="{ active: reqParams.deliveryTimeType === 2 }" class="my-btn" href="javascript:;">工作日送货：周一至周五</a>
          <a @click="reqParams.deliveryTimeType = 3" :class="{ active: reqParams.deliveryTimeType === 3 }" class="my-btn" href="javascript:;">双休日、假日送货：周六至周日</a>
        </div>
        <!-- 支付方式 -->
        <h3 class="box-title">支付方式</h3>
        <div class="box-body">
          <a @click="reqParams.payType = 1" :class="{ active: reqParams.payType === 1  }" class="my-btn" href="javascript:;">在线支付</a>
          <a @click="reqParams.payType = 2" :class="{ active: reqParams.payType === 2  }" class="my-btn" href="javascript:;">货到付款</a>
          <span style="color:#999">货到付款需付5元手续费</span>
        </div>
        <!-- 金额明细 -->
        <h3 class="box-title">金额明细</h3>
        <div class="box-body">
          <div class="total">
            <dl><dt>商品件数：</dt><dd>{{ checkoutInfo.summary.goodsCount }}件</dd></dl>
            <dl><dt>商品总价：</dt><dd>¥{{ checkoutInfo.summary.totalPrice }}</dd></dl>
            <dl><dt>运<i></i>费：</dt><dd>¥{{ checkoutInfo.summary.postFee }}</dd></dl>
            <dl><dt>应付总额：</dt><dd class="price">¥{{ checkoutInfo.summary.totalPayPrice }}</dd></dl>
          </div>
        </div>
        <!-- 提交订单 -->
        <div class="submit">
          <XtxButton @click="submitOrder()" type="primary">提交订单</XtxButton>
        </div>
      </div>
    </div>
  </div>
  <!-- 🔔 Vue3 新特性：teleport传送，可以组件结构传送到其他位置 -->
  <Teleport to="#model">
    <!-- 弹窗1：切换收获地址 -->
    <XtxDialog title="切换收获地址" :visible="visible" @close="visible = false">
        <!-- 默认插槽 - 显示地址列表 -->
        <div class="addressWrapper">
          <div
            class="text item"
            v-for="item in checkoutInfo.userAddresses"
            :key="item.id"
            :class="{ active: selectedAddress.id === item.id}"
            @click="selectedAddress = item"
          >
            <ul>
              <li>
                <span>收<i />货<i />人：</span>{{ item.receiver }}
              </li>
              <li><span>联系方式：</span>{{ hiddenContact(item.contact) }}</li>
              <li><span>收货地址：</span>{{ item.fullLocation + item.address }}</li>
            </ul>
          </div>
        </div>
        <!-- 底部具名插槽 - 两个点击按钮 -->
        <template #footer>
          <XtxButton type="gray" style="margin-right: 20px" @click="visible = false">取消</XtxButton>
          <XtxButton type="primary" @click="confirmChange()">确认</XtxButton>
        </template>
    </XtxDialog>
    <!-- 弹窗2：添加收货地址 -->
    <XtxDialog title="添加收货地址" :visible="addVisible" @close="addVisible = false">
      <div class="address-edit">
        <div class="xtx-form">
          <div class="xtx-form-item">
            <div class="label">收货人：</div>
            <div class="field">
              <input v-model="form.receiver" class="input" placeholder="请输入收货人" />
            </div>
          </div>
          <div class="xtx-form-item">
            <div class="label">手机号：</div>
            <div class="field">
              <input v-model="form.contact" class="input" placeholder="请输入手机号" />
            </div>
          </div>
          <div class="xtx-form-item">
            <div class="label">地区：</div>
            <div class="field">
              <XtxCity @change="cityChange" placeholder="请选择所在地区" />
            </div>
          </div>
          <div class="xtx-form-item">
            <div class="label">详细地址：</div>
            <div class="field">
              <input v-model="form.address" class="input" placeholder="请输入详细地址" />
            </div>
          </div>
          <div class="xtx-form-item">
            <div class="label">邮政编码：</div>
            <div class="field">
              <input v-model="form.postalCode" class="input" placeholder="请输入邮政编码" />
            </div>
          </div>
          <div class="xtx-form-item">
            <div class="label">地址标签：</div>
            <div class="field">
              <input v-model="form.addressTags" class="input" placeholder="请输入地址标签，逗号分隔" />
            </div>
          </div>
        </div>
      </div>
      <template #footer>
        <XtxButton @click="addVisible = false" type="gray" style="margin-right: 20px">取消</XtxButton>
        <XtxButton @click="addAddressSubmit()" type="primary">确认</XtxButton>
      </template>
    </XtxDialog>
  </Teleport>
</template>
<script>
import { reqAddAddress, reqCreateOrder, reqFindAddAddress, reqFindCheckoutInfo } from '@/api/order'
import { reactive, ref } from 'vue'
import { message } from '@/components/Message'
import { useRouter } from 'vue-router'
import { useStore } from 'vuex'
// 隐藏部分手机号码
const hiddenContact = (val) => {
  return val.slice(0, 3) + '****' + val.slice(-3)
}
export default {
  name: 'XtxPayCheckoutPage',
  setup () {
    // 订单信息
    const checkoutInfo = ref(null)
    // 显示的当前收货地址
    const curAddress = ref({})
    // 获取订单信息
    reqFindCheckoutInfo().then(({ result }) => {
      console.log(result)
      // 存储订单信息
      checkoutInfo.value = result
      // 存储默认显示的收货地址
      curAddress.value = result.userAddresses[0] || {}
    })

    const visible = ref(false)

    // 选中的收货地址(其实是临时地址，点击确认后才变成当前地址)
    const selectedAddress = ref({})
    // 切换收货地址按钮
    const showAddressDialog = () => {
      visible.value = true
      // 先把当前地址作为选中的地址，用于高亮
      selectedAddress.value = curAddress.value
    }

    // 确认收货地址
    const confirmChange = () => {
      visible.value = false
      // 把选中的临时地址变成当前用于下单的地址
      curAddress.value = selectedAddress.value
    }

    // ------ 添加收货地址业务开始 ------
    const addVisible = ref(false)

    // 用于添加收货地址的表单
    const form = reactive({
      receiver: '', // string 必须 测试 收货人姓名
      contact: '', // string 必须  联系方式
      provinceCode: '', // string 必须  所在省份编码
      cityCode: '', // string 必须  所在城市编码
      countyCode: '', // string 必须  所在区/县编码
      address: '', // string 必须  详细地址
      postalCode: '', // string 必须  邮政编码
      addressTags: '', // string 必须  地址标签,以英文逗号分割
      isDefault: 0 // integer 必须  是否为默认，0为是，1为否
    })

    // 添加收货地址弹出框
    const addAddressDialog = () => {
      addVisible.value = true
      // 打开表单的时候把旧的数据清空一下
      for (const key in form) {
        if (key !== 'isDefault') {
          form[key] = ''
        }
      }
    }

    // 地址选择组件收集省市区编码
    const cityChange = (val) => {
      form.provinceCode = val.provinceCode
      form.cityCode = val.cityCode
      form.countyCode = val.countyCode
    }

    // 添加收货地址的确认按钮
    const addAddressSubmit = async () => {
      try {
        // 1. 添加收货地址请求发送
        await reqAddAddress(form)
        // 2. 隐藏弹出框
        addVisible.value = false
        // 3. 提示用户
        message({ type: 'success', text: '添加收货地址成功' })
        // 4. 从服务器获取最新收货地址列表
        const { result } = await reqFindAddAddress()
        // 5. 更新列表数据
        checkoutInfo.value.userAddresses = result
      } catch (err) {
        // 后端不允许超过 10 个收货地址，提示后端返回的警告
        message({ type: 'warn', text: err.response.data.message })
      }
    }

    // ---------- 提交订单业务开始 ----------
    const reqParams = reactive({
      addressId: null, // 地址id
      goods: [], // { skuId, count } 由所有商品的 skuId 和 count字段组成的数组
      deliveryTimeType: 1, // 配送时间类型，1为不限，2为工作日，3为双休或假日
      payType: 1, // 支付方式，1为在线支付，2为货到付款
      buyerMessage: '' // 买家留言
    })

    const router = useRouter()
    const store = useStore()
    // 提交订单按钮
    const submitOrder = async () => {
      // 没有收货地址提示
      if (!curAddress.value.id) return message({ text: '请添加收货地址' })
      // 收货地址 id
      reqParams.addressId = curAddress.value.id
      // 商品列表 [ { skuId, count }, { skuId, count }, { skuId, count } ]
      reqParams.goods = checkoutInfo.value.goods.map(({ skuId, count }) => ({ skuId, count }))
      // console.log(reqParams)
      // 发送下单请求，返回订单号
      const { result } = await reqCreateOrder(reqParams)
      // console.log(result)
      // 跳转到支付页，并传递订单 id
      router.replace(`/pay?id=${result.id}`)
      // router.replace()   替换当前
      // router.push()      追加页面(后退能返回)
      // 重新获取购物列表
      store.dispatch('cart/asyncUpdateCart')
    }

    return {
      checkoutInfo,
      curAddress,
      hiddenContact,
      visible,
      showAddressDialog,
      selectedAddress,
      confirmChange,
      addVisible,
      addAddressDialog,
      form,
      cityChange,
      addAddressSubmit,
      reqParams,
      submitOrder
    }
  }
}
</script>
<style scoped lang="less">
.xtx-city {
  margin-left: 0px;
  /deep/ .select {
    height: 50px;
    line-height: 50px;
  }
  /deep/ .select .value {
    font-size: 14px;
  }
}
.xtx-dialog {
  .addressWrapper {
    max-height: 500px;
    overflow-y: auto;
  }
  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;
    &.item {
      border: 1px solid #f5f5f5;
      margin-bottom: 10px;
      cursor: pointer;
      &.active,
      &:hover {
        border-color: @xtxColor;
        background: lighten(@xtxColor, 50%);
      }
      > ul {
        padding: 10px;
        font-size: 14px;
        line-height: 30px;
      }
    }
  }
}
.xtx-pay-checkout-page {
  .wrapper {
    background: #fff;
    padding: 0 20px;
    .box-title {
      font-size: 16px;
      font-weight: normal;
      padding-left: 10px;
      line-height: 70px;
      border-bottom: 1px solid #f5f5f5;
    }
    .box-body {
      padding: 20px 0;
    }
  }
}
.address {
  border: 1px solid #f5f5f5;
  display: flex;
  align-items: center;
  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;
    .none {
      line-height: 90px;
      color: #999;
      text-align: center;
      width: 100%;
    }
    > ul {
      flex: 1;
      padding: 20px;
      li {
        line-height: 30px;
        span {
          color: #999;
          margin-right: 5px;
          > i {
            width: 0.5em;
            display: inline-block;
          }
        }
      }
    }
    > a {
      color: @xtxColor;
      width: 160px;
      text-align: center;
      height: 90px;
      line-height: 90px;
      border-right: 1px solid #f5f5f5;
    }
  }
  .action {
    width: 420px;
    text-align: center;
    .btn {
      width: 140px;
      height: 46px;
      line-height: 44px;
      font-size: 14px;
      &:first-child {
        margin-right: 10px;
      }
    }
  }
}
.goods {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  .info {
    display: flex;
    text-align: left;
    img {
      width: 70px;
      height: 70px;
      margin-right: 20px;
    }
    .right {
      line-height: 24px;
      p {
        &:last-child {
          color: #999;
        }
      }
    }
  }
  tr {
    th {
      background: #f5f5f5;
      font-weight: normal;
    }
    td,th {
      text-align: center;
      padding: 20px;
      border-bottom: 1px solid #f5f5f5;
      &:first-child {
        border-left: 1px solid #f5f5f5;
      }
      &:last-child {
        border-right: 1px solid #f5f5f5;
      }
    }
  }
}
.my-btn {
  width: 228px;
  height: 50px;
  border: 1px solid #e4e4e4;
  text-align: center;
  line-height: 48px;
  margin-right: 25px;
  color: #666666;
  display: inline-block;
  &.active,&:hover {
    border-color: @xtxColor;
  }
}
.total {
  dl {
    display: flex;
    justify-content: flex-end;
    line-height: 50px;
    dt {
      i {
        display: inline-block;
        width: 2em;
      }
    }
    dd {
      width: 240px;
      text-align: right;
      padding-right: 70px;
      &.price {
        font-size: 20px;
        color: @priceColor;
      }
    }
  }
}
.submit {
  text-align: right;
  padding: 60px;
  border-top: 1px solid #f5f5f5;
}
</style>
